Look here for websites that easily walk you through the process of creating QR Codes.
QR Codes for Education
The QR (Quick-Response) code is becoming a very popular tool in business, advertising, and now in the classroom. They are easily generated and can link to texts, email, websites, videos, and more. Teachers and library media specialists, I hope this site will be a resource for implementing QR codes in your school.
Here you will find a list of QR code readers that are free downloads to your mobile device.
More resources to get you started!