@misc{cryptoeprint:2009:396, author = {Ueli Maurer and Stefano Tessaro}, title = {Computational Indistinguishability Amplification: Tight Product Theorems for System Composition}, howpublished = {Cryptology ePrint Archive, Report 2009/396}, year = {2009}, url = {http://eprint.iacr.org/2009/396}, }