@misc{cryptoeprint:2020:334,
    author = {Christof Beierle and Gregor Leander},
    title = {4-Uniform Permutations with Null Nonlinearity},
    howpublished = {Cryptology ePrint Archive, Report 2020/334},
    year = {2020},
    url = {https://eprint.iacr.org/2020/334},
}