Regular broad spectrum wormers (such as Panacur, Safeguard, Strongid, Nemex) nor Ivomec will kill tapes.
You need Praziquantel.
http://www.amazon.com/Fish-Tapes-Forte-170mg-Cap/dp/B0013PTIOKThis is the inexpensive way. One of these tablets will take care of a dog 60lbs or over.
I've also used Happy Jack's Tapeworm expellar but the tablets are big and a dosage requires several pills. Had a hard time trying to get them down the dogs.