%% You should probably cite rfc8429 instead of this I-D.
@techreport{ietf-curdle-des-des-des-die-die-die-00,
    number =    {draft-ietf-curdle-des-des-des-die-die-die-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-curdle-des-des-des-die-die-die/00/},
    author =    {Benjamin Kaduk and Michiko Short},
    title =     {{Deprecate 3DES and RC4 in Kerberos}},
    pagetotal = 9,
    year =      2017,
    month =     may,
    day =       2,
    abstract =  {The 3DES and RC4 encryption types are steadily weakening in cryptographic strength, and the deprecation process should be begun for their use in Kerberos.},
}