%% You should probably cite rfc7669 instead of this I-D.
@techreport{iab-doi-03,
    number =    {draft-iab-doi-03},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-iab-doi/03/},
    author =    {John R. Levine},
    title =     {{Assigning Digital Object Identifiers to RFCs}},
    pagetotal = 6,
    year =      2015,
    month =     may,
    day =       29,
    abstract =  {The Digital Object Identifier (DOI) is a widely used system that assigns unique identifiers to digital documents that can be queried and managed in a consistent fashion. We describe the way that DOIs are assigned to past and future RFCs.},
}