%% You should probably cite rfc6652 instead of this I-D.
@techreport{ietf-marf-spf-reporting-09,
    number =    {draft-ietf-marf-spf-reporting-09},
    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-marf-spf-reporting/09/},
    author =    {Scott Kitterman},
    title =     {{SPF Authentication Failure Reporting using the Abuse Report Format}},
    pagetotal = 13,
    year =      2012,
    month =     mar,
    day =       12,
    abstract =  {This memo presents extensions to the Abuse Reporting Format (ARF), and Sender Policy Framework (SPF) specifications to allow for detailed reporting of message authentication failures in an on-demand fashion. This memo updates RFC4408 by providing an IANA registry for SPF modifiers.},
}