%% You should probably cite rfc7669 instead of this I-D.
@techreport{iab-doi-05,
    number =    {draft-iab-doi-05},
    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/05/},
    author =    {John R. Levine},
    title =     {{Assigning Digital Object Identifiers to RFCs}},
    pagetotal = 7,
    year =      2015,
    month =     aug,
    day =       5,
    abstract =  {This document describes the way that Digital Object Identifiers (DOIs) are assigned to past and future RFCs. The DOI is a widely used system that assigns unique identifiers to digital documents that can be queried and managed in a consistent fashion.},
}