@misc{cryptoeprint:2015:145,
    author = {Stefan Kölbl and Gregor Leander and Tyge Tiessen},
    title = {Observations on the SIMON block cipher family},
    howpublished = {Cryptology ePrint Archive, Report 2015/145},
    year = {2015},
    url = {https://eprint.iacr.org/2015/145},
}