@misc{cryptoeprint:2011:685,
    author = {Roman Oliynykov},
    title = {Cryptanalysis of Symmetric Block Ciphers Based on the Feistel Network with Non-bijective S-boxes in the Round Function},
    howpublished = {Cryptology ePrint Archive, Report 2011/685},
    year = {2011},
    url = {http://eprint.iacr.org/2011/685},
}