%% You should probably cite draft-ietf-dnsop-isp-ip6rdns instead of this I-D.
@techreport{howard-isp-ip6rdns-04,
    number =    {draft-howard-isp-ip6rdns-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-howard-isp-ip6rdns/04/},
    author =    {Lee Howard and Alain Durand},
    title =     {{Reverse DNS in IPv6 for Internet Service Providers}},
    pagetotal = 12,
    year =      ** No value found for 'doc.pub_date.year' **,
    month =     ** No value found for 'doc.pub_date' **,
    day =       ** No value found for 'doc.pub_date.day' **,
    abstract =  {In IPv4, Internet Service Providers (ISPs) commonly provide IN- ADDR.ARPA. information for their customers by prepopulating the zone with one PTR record for every available address. This practice does not scale in IPv6. This document analyzes different approaches for ISPs to manage the ip6.arpa zone for IPv6 address space assigned to many customers.},
}