%% You should probably cite rfc7382 instead of this I-D.
@techreport{ietf-sidr-cps-04,
    number =    {draft-ietf-sidr-cps-04},
    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-cps/04/},
    author =    {Stephen Kent and Derrick Kong and Karen Seo},
    title =     {{Template for a Certification Practice Statement (CPS) for the Resource PKI (RPKI)}},
    pagetotal = 38,
    year =      2014,
    month =     apr,
    day =       28,
    abstract =  {This document contains a template to be used for creating a Certification Practice Statement (CPS) for an organization that is part of the Resource Public Key Infrastructure (RPKI), e.g., a resource allocation registry or an ISP.},
}