Q: iPad mini personal hotspot

iPad and iPad mini User Guide (For iOS 6 Software)

Share an Internet connection: Go to Settings > General > Cellular and tap Set Up Personal Hotspot —if it appears—to set up the service with your carrier. After you turn on Personal Hotspot, other devices can connect in the following ways: • W-Fi: On the device, choose your iPad from the list of available Wi-Fi networks.

iOS- System requirements for Personal Hotspot

iOS- Understanding Personal Hotspot

iOS- Troubleshooting Personal Hotspot

That also assumes your carrier supports it.

Non Retina display, first gen. iPad Minis DO NOT have personal hotspot feature. This feature started with Retina Display iPads.