@misc{cryptoeprint:2013:188,
    author = {Daniel Loebenberger and Michael Nüsken},
    title = {A family of 6-to-4-bit S-boxes with large linear branch number},
    howpublished = {Cryptology ePrint Archive, Report 2013/188},
    year = {2013},
    url = {http://eprint.iacr.org/2013/188},
}