@misc{cryptoeprint:2015:557,
    author = {Takanori Isobe and Kyoji Shibutani},
    title = {Improved All-Subkeys Recovery Attacks on FOX, KATAN and SHACAL-2 Block Ciphers},
    howpublished = {Cryptology ePrint Archive, Report 2015/557},
    year = {2015},
    url = {https://eprint.iacr.org/2015/557},
}