How to apt-get install a package for Ubuntu Quantal from Ubuntu Precise 12.04

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http://serverfault.com – On Ubuntu Precise 12.04, the package osm2pgsql is currently at 0.70.5+r25090-2ubuntu2. However I need to install a newer version 0.80 but apt-get update does not provide the newer version. Question: I found the 0.80 version in the Ubuntu quantal's repo at https://launchpad.net/ubuntu/+source/osm2pgsql/0.80.0+r27899-1ubuntu1, is there any way to install this when I'm on Ubuntu 12.04? (HowTos)