This is one of the best tabs i have done enjoy all u bass players out there.

Verse x2
g]----------------------------------------
d]----------------------------------------
a]66666-----33333----------66666----------
e]-----66666-----3333344444-----6666666666

Chorus 1st part
g]--------------------
d]--------------------
a]----------6666666666
e]4444466666----------

Play part 2 on the third time through the first part cut off the 6's on the [a] string 
and play this instead.

g]-------------------
d]-------------------
a]664433333----------
e]---------4444466666

guitar solo no bass
g]--------
d]--------
a]66113311
e]--------

now go back to the verse and play twice through again then do the chorus again.
Bridge
g]--------------------
d]--------------------
a]--------------------
e]44444444446666666666

Outro
g]---------
d]---------
a]--66-----
e]44--66666

listen to basket case and pick up the rythem. happy playin.