%% You should probably cite rfc7845 instead of this I-D.
@techreport{ietf-codec-oggopus-12,
	number =	{draft-ietf-codec-oggopus-12},
	type =		{Internet-Draft},
	institution =	{Internet Engineering Task Force},
	publisher =	{Internet Engineering Task Force},
	note =		{Work in Progress},
	url =		{https://datatracker.ietf.org/doc/html/draft-ietf-codec-oggopus-12},
        author =	{Timothy Terriberry and Ron Lee and Ralph Giles},
	title =		{{Ogg Encapsulation for the Opus Audio Codec}},
	pagetotal =	32,
	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 =	{This document defines the Ogg encapsulation for the Opus interactive speech and audio codec. This allows data encoded in the Opus format to be stored in an Ogg logical bitstream.},
}