@misc{cryptoeprint:2017:895,
    author = {Andrey Bogdanov and Philip S. Vejre},
    title = {Linear Cryptanalysis of DES with Asymmetries},
    howpublished = {Cryptology ePrint Archive, Report 2017/895},
    year = {2017},
    url = {https://eprint.iacr.org/2017/895},
}