@misc{cryptoeprint:2017:181,
    author = {Silvia Mella and Joan Daemen and Gilles Van Assche},
    title = {New techniques for trail bounds and application to differential trails in Keccak},
    howpublished = {Cryptology ePrint Archive, Report 2017/181},
    year = {2017},
    url = {https://eprint.iacr.org/2017/181},
}