Yevgeniy Dodis Russell Impagliazzo Ragesh Jaiswal Valentine Kabanets Security Amplification for InteractiveCryptographic Primitives. 128-145 2009 TCC http://dx.doi.org/10.1007/978-3-642-00457-5_9 conf/tcc/2009 db/conf/tcc/tcc2009.html#DodisIJK09