Daniel J. Bernstein Tanja Lange Christiane Peters Attacking and Defending the McEliece Cryptosystem. 31-46 2008 PQCrypto http://dx.doi.org/10.1007/978-3-540-88403-3_3 conf/pqcrypto/2008 db/conf/pqcrypto/pqcrypto2008.html#BernsteinLP08