Was going to purchase a pin spanning tool and figured I could make one. Took a 14" piece of 1/8" music wire and put it into my hand held drill and with the drill running, held each end against a file to taper the tips so they'd fit into my Campy BB cup. Next, I held the tips against some sandpaper to polish them. Bent 1/2" of each end to 90º and then put a bend in the middle.
Saved me a few $ to spend on other bike stuff.
You can pick this music wire up from your local True-Value hardware store or the like.
somegeek