%% You should probably cite draft-ietf-opsawg-mud-acceptable-urls instead of this I-D.
@techreport{richardson-opsawg-mud-acceptable-urls-01,
    number =    {draft-richardson-opsawg-mud-acceptable-urls-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-richardson-opsawg-mud-acceptable-urls/01/},
    author =    {Michael Richardson and Wei Pan and Eliot Lear},
    title =     {{Authorized update to MUD URLs}},
    pagetotal = 9,
    year =      2020,
    month =     jun,
    day =       16,
    abstract =  {This document provides a way for an RFC8520 Manufacturer Usage Description (MUD) definitions to declare what are acceptable replacement URLs for a device.},
}