@misc{cryptoeprint:2015:186,
    author = {Sourav Das and Subhamoy Maitra and and Willi Meier},
    title = {Higher Order Differential Analysis of NORX},
    howpublished = {Cryptology ePrint Archive, Report 2015/186},
    year = {2015},
    url = {https://eprint.iacr.org/2015/186},
}