@misc{cryptoeprint:2009:630, author = {Eyal Kushilevitz and Yehuda Lindell and Tal Rabin}, title = {Information-Theoretically Secure Protocols and Security Under Composition}, howpublished = {Cryptology ePrint Archive, Report 2009/630}, year = {2009}, url = {http://eprint.iacr.org/2009/630}, }