Mehdi Laidouni on "My QR Code Plugin"

== Installation ==

Upload My_QR_Code.zip to the /wp-content/plugins/ directory

Upload My_QR_Code.zip to the /wp-content/plugins/ directory
Activate the plugin through the 'Plugins' menu in WordPress

More info
http://eksit.co/qrcode/

http://wordpress.org/extend/plugins/my-qr-code/