I think this is it..I don't play bass and this is my first tab...

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

just play that over and over but don't play the first note because it's at the end..

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