This is track 3 on the superb 2001 by Dr Dre. Use a wah affect.

E------------------------9------------10--------------------------------9-----------10-12----
B------------10-12-10-----10-s-12--------10-12-------------10-12-10--------10-s-12---------12
G---9-s-11-----------------------------------------9-s-11-----------------------------------

Repeat over and over again! Listen to the track to help you, the s in the tab means slide.