@misc{cryptoeprint:2017:034,
    author = {Alex Biryukov and Aleksei Udovenko and Vesselin Velichkov},
    title = {Analysis of the NORX Core Permutation},
    howpublished = {Cryptology ePrint Archive, Report 2017/034},
    year = {2017},
    url = {https://eprint.iacr.org/2017/034},
}