%% You should probably cite rfc4181 instead of this I-D.
@techreport{ietf-ops-mib-review-guidelines-04,
    number =    {draft-ietf-ops-mib-review-guidelines-04},
    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-ops-mib-review-guidelines/04/},
    author =    {C. M. Heard},
    title =     {{Guidelines for Authors and Reviewers of MIB Documents}},
    pagetotal = 42,
    year =      2005,
    month =     feb,
    day =       2,
    abstract =  {This memo provides guidelines for authors and reviewers of IETF standards-track specifications containing MIB modules. Applicable portions may be used as a basis for reviews of other MIB documents. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.},
}