There' two ways of playing the bass for this song but there isn't much difference
G|----2-22-----------------------0-00-----------------------------------------|
D|----------2-2-----------------------2-2-0-0---------------------------------|
A|---------------3-3-0-0----------------------3-3-----------------------------|
E|----------------------------------------------------------------------------|

G|----2-2-------------------------0-0-----------------------------------------|
D|---------2-2------------------------2-2-0-0---------------------------------|
A|---------------3-3-0-0----------------------3-3-----------------------------|
E|----------------------------------------------------------------------------|

It isn't played all the way though the song but if you listen closely you can work out 
where it is played. Enjoy :)