I'll have to try the rubber band trick tonight, my co-worker (also a bass player) mentioned something similar.
Here's a pic of the screw:
View attachment 1092842
My phone doesn't have a macro feature so that was the best I could do.
On, man! That's easy! Just press down on the pickup so more of the screw is exposed and use a pair of needle nose pliers, or small vice grips to get it out. I'd have that out in 5 minutes without using any other more complicated method.