@misc{cryptoeprint:2018:1036,
    author = {Anne Canteaut and Léo Perrin and Shizhu Tian},
    title = {If a Generalised Butterfly is APN then it Operates on 6 Bits},
    howpublished = {Cryptology ePrint Archive, Report 2018/1036},
    year = {2018},
    url = {https://eprint.iacr.org/2018/1036},
}