%% You should probably cite rfc7318 instead of this I-D.
@techreport{ietf-sidr-policy-qualifiers-01,
    number =    {draft-ietf-sidr-policy-qualifiers-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-sidr-policy-qualifiers/01/},
    author =    {Andy Newton and Geoff Huston},
    title =     {{Policy Qualifiers in RPKI Certificates}},
    pagetotal = 4,
    year =      2013,
    month =     oct,
    day =       2,
    abstract =  {This document updates RFC 6487 by clarifying the inclusion of policy qualifiers in the certificate policies extension of RPKI resource certificates.},
}