The tuning is standard C.
1st string (bottom) D#
2nd string A#
3rd string F#
4th string (top) C.


Intro and verse:
|-------------------------------------------------|
|-------------------------------------------------|
|--------------------------------------------3-5--|
|-6-5-3-0-6-5-3-0-3-0-6-5-3-0-3-0-6-5-0-----------|

There is an extra note before the chorus starts so
the last measure is:
|---------------------------------------------------|
|---------------------------------------------------|
|--------------------------------------------3--5---|
|-6-5-3-0-6-5-3-0-3-0-6-5-3-0-3-0-6-5-0-----------5-| (hold last note for 4 beats)

Chorus - 1st & 3rd measures
|---------------------------------------------|
|---------------------------------------------|
|-----5-5-5-------3-3-3-----------------------|
|-5-5-------3-3-3-------1-1-1-1-1-1-1-1-1-----|

Chorus - 2nd & 4th measures
|-------------------------------------------|
|-------------------------------------------|
|-----5-5-5-------3-3-3---------3-3-3-3-----|
|-5-5-------3-3-3-------1-1-1-1---------3---|


Bridge
|------------------------------------------|
|------------------------------------------|
|------------------------------------------|
|-7--7-7-7-3-3-3-3-3-3-0-0-0-0-0-0-0-0-----|

There are runs on the 2nd and 4th measures of the bridge
Bridge (2nd measure)
|---------------------------------------------------------|
|---------------------------------------------------------|
|-------------------------------7-5---5-------------------|
|-7--7-7-7-3-3-3-3-3-3-0-0--------7---7-6-5-3-0-3-5-------|

Bridge (4th measure)
|-----------------------------------------------------|
|-----------------------------------------------------|
|-------------------------------7-5-------------------|
|-7--7-7-7-3-3-3-3-3-3-0-0--------7-6-5/--------------|

For the chorus after the bridge, the bass comes in here:
|---------------------------------------------|
|---------------------------------------------|
|---------------------3-----------------------|
|-----------------------1-1-1-1-1-1-1-1-1-----|

Then the rest of it is the same as the other chorus

I didn't write this, I just took it from the forums at Allelemusic.com. This tab was 
by Tim himself so it should be perfect and Tim is an awesome bassist!