@misc{cryptoeprint:2015:144,
    author = {Tyge Tiessen and Lars R. Knudsen and Stefan Kölbl and Martin M. Lauridsen},
    title = {Security of the AES with a Secret S-box},
    howpublished = {Cryptology ePrint Archive, Report 2015/144},
    year = {2015},
    url = {https://eprint.iacr.org/2015/144},
}