%% You should probably cite rfc8463 instead of this I-D.
@techreport{ietf-dcrup-dkim-crypto-01,
    number =    {draft-ietf-dcrup-dkim-crypto-01},
    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-dcrup-dkim-crypto/01/},
    author =    {John R. Levine},
    title =     {{Cryptographic Update to DKIM}},
    pagetotal = 6,
    year =      2017,
    month =     jun,
    day =       12,
    abstract =  {DKIM was designed to allow new cryptographic algorithms to be added. This document adds a new algorithm and a new way to represent signature validation keys, and deprecates obsolete signing algorithms.},
}