%% You should probably cite draft-lear-opsawg-sbom-access instead of this I-D.
@techreport{lear-opsawg-mud-sbom-00,
    number =    {draft-lear-opsawg-mud-sbom-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-lear-opsawg-mud-sbom/00/},
    author =    {Eliot Lear and Scott Rose},
    title =     {{SBOM Extension for MUD}},
    pagetotal = 14,
    year =      2020,
    month =     may,
    day =       18,
    abstract =  {Software bills of materials (SBOMs) are formal descriptions of what pieces of software are included in a product. This memo specifies a means for manufacturers to state how SBOMs may be retrieved through an extension to manufacturer usage descriptions (MUD).},
}