%% You should probably cite draft-ietf-idr-vpn-prefix-orf-45 instead of this revision.
@techreport{ietf-idr-vpn-prefix-orf-19,
    number =    {draft-ietf-idr-vpn-prefix-orf-19},
    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-idr-vpn-prefix-orf/19/},
    author =    {Wei Wang and Aijun Wang and Haibo Wang and Gyan Mishra and Jie Dong},
    title =     {{VPN Prefix Outbound Route Filter (VPN Prefix ORF) for BGP-4}},
    pagetotal = 28,
    year =      ,
    month =     ,
    day =       ,
    abstract =  {This draft defines a new type of Outbound Route Filter (ORF), known as the VPN Prefix ORF. The VPN Prefix ORF mechanism is applicable when VPN routes from different VRFs are exchanged through a single shared BGP session.},
}