Well, theres only like one other tab for this song,and it doesn't sound quite right,
 so this is my version of the song, although this is only the intro, I hope you like it, 
this is my first tab,

-----LEGEND-----
T=Tap
P=Pull-off
H=Hammer-on
~=Vibrato
U=Up-picking during sweep
D=Down-picking during sweep
----------------
                 *These are 2 medium speed taps where you don't do the whole pull-off 
the 13 rings for only a moment then you tap again
     T         T     T         T     T
D|--17p13p10--17p13-17p13p10--17p13-17p13p10-|
A|-------------------------------------------|
F|-------------------------------------------| X2
C|-------------------------------------------|
G|-------------------------------------------|
C|-------------------------------------------|

     T        T      T         T     T
D|--15p10p7---15p10-15p10p7---15p10-15p10p7--|
A|-------------------------------------------|
F|-------------------------------------------|
C|-------------------------------------------|
G|-------------------------------------------|
C|-------------------------------------------|

This is the strokes I use to play the sweep, i do the top almost as a slow triplet to 
it played at a decent speed
     U   U U U U  D  U D D D D
D|--17p13--------------------13h17----------------------------------------|
A|-------15----------------15---------------------------------------------|
F|---------14------------14-----------------------------------------------|
C|-----------15--------15-------------------------------------------------|
G|-------------17-12-17---------------------------------------------------|
C|------------------------------------------------------------------------|

     T         T     T         T     T
D|--17p13p10--17p13-17p13p10--17p13-17p13p10-|
A|-------------------------------------------|
F|-------------------------------------------| X2
C|-------------------------------------------|
G|-------------------------------------------|
C|-------------------------------------------|

          Triplet
         |--/\--|
D|--21~ 21-21-21---19-17-19p17p16~-|
A|---------------------------------|
F|---------------------------------|
C|---------------------------------|
G|---------------------------------|
C|---------------------------------|

Play ALL the above twice in the same order, then proceed to this


D|--15-15--------|
A|--------15-15~-|
F|---------------|
C|---------------|
G|---------------|
C|---------------|


I hope you enjoy my tab of the intro to this song, please rate!