%% You should probably cite draft-ietf-dnsop-nsec-ttl instead of this I-D.
@techreport{vandijk-dnsop-nsec-ttl-00,
    number =    {draft-vandijk-dnsop-nsec-ttl-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-vandijk-dnsop-nsec-ttl/00/},
    author =    {Peter van Dijk},
    title =     {{NSEC(3) TTLs and NSEC Aggressive Use}},
    pagetotal = 6,
    year =      2020,
    month =     nov,
    day =       23,
    abstract =  {Due to a combination of unfortunate wording in earlier documents, aggressive use of NSEC(3) records may deny names far beyond the intended lifetime of a denial. This document changes the definition of the NSEC(3) TTL to correct that situation.},
}