@misc{cryptoeprint:2006:315, author = {Michael Backes and Joern-Mueller Quade and Dominique Unruh}, title = {On the Necessity of Rewinding in Secure Multiparty Computation}, howpublished = {Cryptology ePrint Archive, Report 2006/315}, year = {2006}, url = {http://eprint.iacr.org/2006/315}, }