Ryo Nojima Hideki Imai Kazukuni Kobara Kirill Morozov Semantic security for the McEliece cryptosystem without random oracles. 289-305 2008 49 Des. Codes Cryptography 1-3 http://dx.doi.org/10.1007/s10623-008-9175-9 db/journals/dcc/dcc49.html#NojimaIKM08