@misc{cryptoeprint:2011:421,
    author = {Ivan Damg{\aa}rd and Jakob Funder and  Jesper Buus Nielsen and Louis Salvail},
    title = {Superposition Attacks on Cryptographic Protocols}},
    howpublished = {Cryptology ePrint Archive, Report 2011/421},
    year = {2011},
    url = {http://eprint.iacr.org/2011/421},
}