The Dial-Up Networking profile on most current VZW phones is enabled, so in theory you should be able to set up a connection through Bluetooth. This isn't officially supported, though, which means you're on your own setting it up. There's a BT profile compatibility chart at http://www.verizonwireless.com/bluetooth.
"I say we take off; nuke the site from orbit. It's the only way to be sure." - Corporal Hicks, in "Aliens"