Dima Grigoriev Edward A. Hirsch Konstantin Pervyshev A Complete Public-Key Cryptosystem. 2006 13 Electronic Colloquium on Computational Complexity (ECCC) http://eccc.hpi-web.de/eccc-reports/2006/TR06-046-Commentavailable/index.html db/journals/eccc/eccc13.html#GrigorievHP06