@misc{cryptoeprint:2020:302,
    author = {Thomas Kaeding},
    title = {Slippery hill-climbing technique for ciphertext-only cryptanalysis of periodic polyalphabetic substitution ciphers},
    howpublished = {Cryptology ePrint Archive, Report 2020/302},
    year = {2020},
    url = {https://eprint.iacr.org/2020/302},
}