In the event held for the launch of iPhone 4 on Verizon,its CFO(Chief Financial Officer), Francis Shammo had also said that they will soon bring iPad on verizon network.
You can still connect iPad to Verizon 3G network but a small device is require to do this.But after the introduction of iPad on Verizon that need will be removed.
This will be possible by adding CDMA chip in iPad.
Currently there is no Tablet which can connect to CDMA/LTE directly if iPad is launched with integrated CDMA chip then it will be its kind of first device.
As there is no dates available for the launch of iPad 2 but it seems that it will be launched in Q2 of 2011.